15016540

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 96

約数和(自身を含む): 40320000

約数和(自身を除く): 25303460

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 140, 154, 196, 199, 220, 245, 308, 343, 385, 398, 490, 539, 686, 770, 796, 980, 995, 1078, 1372, 1393, 1540, 1715, 1990, 2156, 2189, 2695, 2786, 3430, 3773, 3980, 4378, 5390, 5572, 6860, 6965, 7546, 8756, 9751, 10780, 10945, 13930, 15092, 15323, 18865, 19502, 21890, 27860, 30646, 37730, 39004, 43780, 48755, 61292, 68257, 75460, 76615, 97510, 107261, 136514, 153230, 195020, 214522, 273028, 306460, 341285, 429044, 536305, 682570, 750827, 1072610, 1365140, 1501654, 2145220, 3003308, 3754135, 7508270, 15016540]

約数ペア:

[(1, 15016540), (2, 7508270), (4, 3754135), (5, 3003308), (7, 2145220), (10, 1501654), (11, 1365140), (14, 1072610), (20, 750827), (22, 682570), (28, 536305), (35, 429044), (44, 341285), (49, 306460), (55, 273028), (70, 214522), (77, 195020), (98, 153230), (110, 136514), (140, 107261), (154, 97510), (196, 76615), (199, 75460), (220, 68257), (245, 61292), (308, 48755), (343, 43780), (385, 39004), (398, 37730), (490, 30646), (539, 27860), (686, 21890), (770, 19502), (796, 18865), (980, 15323), (995, 15092), (1078, 13930), (1372, 10945), (1393, 10780), (1540, 9751), (1715, 8756), (1990, 7546), (2156, 6965), (2189, 6860), (2695, 5572), (2786, 5390), (3430, 4378), (3773, 3980)]